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AS6 ATOS IT Solutions and Services, Inc.

BULL-HN - ATOS IT Solutions and Services, Inc. · registered in the United States

IPv4 addresses124,16044 prefixes · 0.004% of announced IPv4
Rank in United States#569largest network in US by IPv4 space, of 18,338 · <0.01% of US
Rank worldwide#1,670of 79,396 networks with IPv4
IPv68 x /32 (524,288 x /48)1 prefixes
CountryUnited States18,679 ASNs registered there
Open AS6 in ASN lookup Look up an IP in this network (129.185.30.1) All networks in United States

IPv4 prefixes

All 44 prefixes, in address order.

  • 129.185.30.0/23
  • 129.185.32.0/22
  • 141.112.0.0/16
  • 192.5.32.0/24
  • 192.90.0.0/18
  • 192.90.96.0/20
  • 192.90.112.0/21
  • 192.90.120.0/22
  • 192.90.124.0/23
  • 192.90.126.0/24
  • 192.90.128.0/22
  • 192.90.132.0/23
  • 192.90.134.0/23
  • 192.90.136.0/24
  • 192.90.137.0/24
  • 192.90.138.0/23
  • 192.90.140.0/22
  • 192.90.144.0/22
  • 192.90.148.0/23
  • 192.90.150.0/24
  • 192.90.151.0/24
  • 192.90.152.0/21
  • 192.90.160.0/23
  • 192.90.162.0/24
  • 192.90.163.0/24
  • 192.90.164.0/24
  • 192.90.165.0/24
  • 192.90.166.0/23
  • 192.90.168.0/22
  • 192.90.172.0/24
  • 192.90.173.0/24
  • 192.90.174.0/23
  • 192.90.176.0/22
  • 192.90.180.0/23
  • 192.90.182.0/23
  • 192.90.184.0/23
  • 192.90.186.0/23
  • 192.90.188.0/22
  • 192.90.192.0/20
  • 192.90.208.0/21
  • 192.90.216.0/23
  • 192.90.219.0/24
  • 192.90.220.0/22
  • 192.90.224.0/19

IPv6 prefixes

All 1 prefix.

  • 2a07:f380::/29

Other ASNs named ATOS IT Solutions and Services, Inc.

4 other networks use the same organisation name; together with AS6 they announce 162,048 IPv4 addresses.

ASNNameIPv4 addresses
AS33745ATOS-BLYTHEWOOD - Atos IT Solutions and Services Inc US23,552
AS14566AISS-7-14566 - Atos IT Solutions and Services Inc US9,728
AS32382ATOS-CARROLLTON - Atos IT Solutions and Services Inc US2,304
AS36706ATOS-CHARLOTTE - Atos IT Solutions and Services Inc US2,304

Similar-sized networks in United States

ASNNameIPv4 addresses
AS36183#566 AKAMAI-AS - Akamai Technologies, Inc.125,696
AS46844#567 SHARKTECH - Sharktech124,416
AS19416#568 RBC-NY - RBC CAPITAL MARKETS CORPORATION124,416
AS10343#570 AS10343 - National Aeronautics and Space Administration123,904
AS53755#571 IOFLOOD - Input Output Flood LLC123,392
AS16904#572 ARVIG-16904 - Arvig Enterprises Inc.123,136

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources